Changes for page LDDS45 - LoRaWAN Distance Detection Sensor User Manual
Last modified by Mengting Qiu on 2025/02/26 15:04
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... ... @@ -20,51 +20,24 @@ 20 20 21 21 22 22 ((( 23 -((( 24 24 The Dragino LDDS75 is a (% style="color:#4472c4" %)** LoRaWAN Distance Detection Sensor**(%%) for Internet of Things solution. It is used to measure the distance between the sensor and a flat object. The distance detection sensor is a module that uses (% style="color:#4472c4" %)** ultrasonic sensing** (%%)technology for distance measurement, and (% style="color:#4472c4" %)** temperature compensation**(%%) is performed internally to improve the reliability of data. The LDDS75 can be applied to scenarios such as horizontal distance measurement, liquid level measurement, parking management system, object proximity and presence detection, intelligent trash can management system, robot obstacle avoidance, automatic control, sewer, bottom water level monitoring, etc. 25 -))) 26 26 27 -((( 28 - 29 -))) 30 30 31 -((( 32 32 It detects the distance** (% style="color:#4472c4" %) between the measured object and the sensor(%%)**, and uploads the value via wireless to LoRaWAN IoT Server. 33 -))) 34 34 35 -((( 36 - 37 -))) 38 38 39 -((( 40 40 The LoRa wireless technology used in LDDS75 allows device to send data and reach extremely long ranges at low data-rates. It provides ultra-long range spread spectrum communication and high interference immunity whilst minimizing current consumption. 41 -))) 42 42 43 -((( 44 - 45 -))) 46 46 47 -((( 48 48 LDDS75 is powered by (% style="color:#4472c4" %)** 4000mA or 8500mAh Li-SOCI2 battery**(%%); It is designed for long term use up to 10 years*. 49 -))) 50 50 51 -((( 52 - 53 -))) 54 54 55 -((( 56 56 Each LDDS75 pre-loads with a set of unique keys for LoRaWAN registrations, register these keys to local LoRaWAN server and it will auto connect if there is network coverage, after power on. 57 -))) 58 58 59 -((( 60 - 61 -))) 62 62 63 -((( 64 64 (% style="color:#4472c4" %) * (%%)Actually lifetime depends on network coverage and uplink interval and other factors. 65 65 ))) 66 66 ))) 67 -))) 68 68 69 69 70 70 [[image:1654847051249-359.png]] ... ... @@ -92,12 +92,12 @@ 92 92 93 93 [[image:image-20220610154839-1.png]] 94 94 95 -((( 96 -**Remarks: (1) a. When the ambient temperature is 0-39 ℃, the maximum humidity is 90% (non-condensing); b. When the ambient temperature is 40-50 ℃, the highest humidity is the highest humidity in the natural world at the current temperature (no condensation)** 97 -))) 68 +**Remarks: (1) a. When the ambient temperature is 0-39 ℃, the maximum humidity is 90% (non-condensing);** 98 98 70 +**b. When the ambient temperature is 40-50 ℃, the highest humidity is the highest humidity in the natural world at the current temperature (no condensation)** 99 99 100 100 73 + 101 101 === 1.3.2 Effective measurement range Reference beam pattern === 102 102 103 103 **(1) The tested object is a white cylindrical tube made of PVC, with a height of 100cm and a diameter of 7.5cm.** ... ... @@ -108,9 +108,7 @@ 108 108 109 109 110 110 111 -((( 112 112 **(2)** **The object to be tested is a "corrugated cardboard box" perpendicular to the central axis of 0 °, and the length * width is 60cm * 50cm.** 113 -))) 114 114 115 115 116 116 [[image:1654852175653-550.png]](% style="display:none" %) ** ** ... ... @@ -176,17 +176,11 @@ 176 176 [[image:image-20220607170145-1.jpeg]] 177 177 178 178 179 -((( 180 180 For OTAA registration, we need to set **APP EUI/ APP KEY/ DEV EUI**. Some server might no need to set APP EUI. 181 -))) 182 182 183 -((( 184 184 Enter these keys in the LoRaWAN Server portal. Below is TTN V3 screen shot: 185 -))) 186 186 187 -((( 188 188 **Add APP EUI in the application** 189 -))) 190 190 191 191 [[image:image-20220610161353-4.png]] 192 192 ... ... @@ -229,15 +229,11 @@ 229 229 == 2.3 Uplink Payload == 230 230 231 231 ((( 232 -((( 233 233 LDDS75 will uplink payload via LoRaWAN with below payload format: 234 -))) 235 235 236 -((( 237 237 Uplink payload includes in total 4 bytes. 238 238 Payload for firmware version v1.1.4. . Before v1.1.3, there is on two fields: BAT and Distance 239 239 ))) 240 -))) 241 241 242 242 ((( 243 243 ... ... @@ -272,13 +272,9 @@ 272 272 273 273 === 2.3.2 Distance === 274 274 275 -((( 276 276 Get the distance. Flat object range 280mm - 7500mm. 277 -))) 278 278 279 -((( 280 280 For example, if the data you get from the register is 0x0B 0x05, the distance between the sensor and the measured object is(% style="color:#4472c4" %)** 0B05(H) = 2821 (D) = 2821 mm.** 281 -))) 282 282 283 283 284 284 * If the sensor value is 0x0000, it means system doesn’t detect ultrasonic sensor. ... ... @@ -314,13 +314,9 @@ 314 314 315 315 === 2.3.5 Sensor Flag === 316 316 317 -((( 318 318 0x01: Detect Ultrasonic Sensor 319 -))) 320 320 321 -((( 322 322 0x00: No Ultrasonic Sensor 323 -))) 324 324 325 325 326 326 ... ... @@ -859,6 +859,8 @@ 859 859 * Solid ON for 5 seconds once device successful Join the network. 860 860 * Blink once when device transmit a packet. 861 861 815 + 816 + 862 862 == 2.8 Firmware Change Log == 863 863 864 864 ... ... @@ -889,7 +889,7 @@ 889 889 The battery related documents as below: 890 890 891 891 * ((( 892 -[[Battery Dimension>>url:http://www.dragino.com/downloads/index.php?dir=datasheet/Battery/&file=LSN50-Battery-Dimension.pdf]], 847 +[[ Battery Dimension>>url:http://www.dragino.com/downloads/index.php?dir=datasheet/Battery/&file=LSN50-Battery-Dimension.pdf]], 893 893 ))) 894 894 * ((( 895 895 [[Lithium-Thionyl Chloride Battery datasheet>>url:https://www.dragino.com/downloads/downloads/datasheet/Battery/ER26500/ER26500_Datasheet-EN.pdf]], ... ... @@ -905,7 +905,7 @@ 905 905 === 2.10.2 Replace the battery === 906 906 907 907 ((( 908 -You can change the battery in the LDDS75.The type of battery is not limited as long as the output is between 3v to 3.6v. On the main board, there is a diode (D1) between the battery and the main circuit. If you need to use a battery with less than 3.3v, please remove the D1 and shortcut the two pads of it so there won 't be voltage drop between battery and main board.863 +You can change the battery in the LDDS75.The type of battery is not limited as long as the output is between 3v to 3.6v. On the main board, there is a diode (D1) between the battery and the main circuit. If you need to use a battery with less than 3.3v, please remove the D1 and shortcut the two pads of it so there won’t be voltage drop between battery and main board. 909 909 ))) 910 910 911 911 ((( ... ... @@ -913,7 +913,7 @@ 913 913 ))) 914 914 915 915 ((( 916 -The default battery pack of LDDS75 includes a ER18505 plus super capacitor. If user can 't find this pack locally, they can find ER18505 or equivalence, which will also work in most case. The SPC can enlarge the battery life for high frequency use (update period below 5 minutes)871 +The default battery pack of LDDS75 includes a ER18505 plus super capacitor. If user can’t find this pack locally, they can find ER18505 or equivalence, which will also work in most case. The SPC can enlarge the battery life for high frequency use (update period below 5 minutes) 917 917 ))) 918 918 919 919 ... ... @@ -928,7 +928,7 @@ 928 928 929 929 * ((( 930 930 ((( 931 -AT Command Connection: See [[FAQ>>||anchor="H 4.A0FAQ"]].886 +AT Command Connection: See [[FAQ>>||anchor="H7.A0FAQ"]]. 932 932 ))) 933 933 ))) 934 934 * (((